Table 3.

Prevalence of canine agenesis based on the total number of missing teeth

No.	Study	Number of cases of canine agenesis	Number of cases of tooth agenesis	Prevalence of agenesis by number of teeth (%)
1	Mani et al.17 (2014)	8	508	1.57
2	Alsoleihat and Khraisat35 (2014)	4	14	28.57
3	Endo et al.5 (2006)	56	696	8.05
4	Abu-Hussein et al.24 (2015)	3	167	1.80
5	Nik-Hussein48 (1989)	2	81	2.47
6	Sisman et al.26 (2007)	9	182	4.95
7	Sheikhi et al.29 (2012)	27	454	5.95
8	Chung et al.44 (2008)	25	329	7.60
9	Vahid-Dastjerdi et al.32 (2010)	10	197	5.08
10	Zhang et al.45 (2015)	106	941	11.26
11	Al-Abdallah46 (2015)	21	584	3.60
12	Kazanci et al.20 (2011)	2	153	1.31
13	Aktan et al.21 (2010)	87	3,147	2.76
14	Bäckman and Wahlin36 (2001)	0	89	0.00
15	Magnússon38 (1977)	3	167	1.80
16	Nordgarden et al.40 (2002)	14	834	1.68
17	Locht41 (1980)	1	93	1.08
18	Rølling and Poulsen43 (2009)	17	1,070	1.59
19	Behr et al.30 (2011)	42	693	6.06
20	González-Allo et al.31 (2012)	3	298	1.01
21	Topkara and Sari33 (2011)	9	375	2.40
22	Bernadette et al.34 (2013)	2	136	1.47
23	Gomes et al.15 (2010)	2	108	1.85
24	Souza-Silva et al.18 (2018)	9	114	7.90
25	Küchler et al.22 (2008)	4	99	4.04
26	Calvano Küchler et al.27 (2008)	3	78	3.85
27	Tavajohi-Kermani et al.23 (2002)	2	226	0.88
28	Muller et al.39 (1970)	18	940	1.91
29	Lai and Seow28 (1989)	26	314	8.28
30	Lynham37 (1990)	3	92	3.26
31	Ng’ang’a and Ng’ang’a25 (2001)	3	79	3.80
Total		397	13,258	2.99